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Home >> Hyundai >> 2018 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the engine coolant temperature sensor connector (A) and then remove the sensor.
    G12787093Courtesy of HYUNDAI MOTOR AMERICA
  3. Supplement the engine coolant.

    (Refer to "COOLANT ")

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